President Barack Obama poses for a picture with members of the World Series champion San Francisco Giants.

Photo: Mark Wilson, Getty Images

President Barack Obama poses for a picture with members of the...

President Barack Obama poses for a picture with members of the... Photo-4976238.67223 - SFGate

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President Barack Obama holds an a autographed bat and ball during a ceremony on the South Lawn of the White House in Washington, Monday, July 29, 2013, where he honored the 2012 World Series Champion San Francisco Giants baseball team

Photo: Carolyn Kaster, Associated Press

President Barack Obama holds an a autographed bat and ball during a...

President Barack Obama holds an a autographed bat and ball during a... Photo-4976611.67223 - SFGate

Image 3 of 11

San Francisco Giants infielder Kensuke Tanaka (L) arrives for an event in honor of 2012 World Series champions the San Francisco Giants on the South Lawn.

President Barack Obama (C) is presented with a bat and ball from manager Bruce Bochy.

Photo: Mark Wilson, Getty Images

President Barack Obama (C) is presented with a bat and ball from...

President Barack Obama (C) is presented with a bat and ball from... Photo-4976266.67223 - SFGate

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President Barack Obama waits for the podium to be moved out of the way to pose for a photo as he honors the 2012 World Series Champion San Francisco Giants.

Photo: Susan Walsh, Associated Press

President Barack Obama waits for the podium to be moved out of the...

President Barack Obama waits for the podium to be moved out of the... Photo-4976268.67223 - SFGate

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President Barack Obama poses for a photo on the South Lawn of the White House in Washington, Monday, July 29, 2013, during a ceremony honoring the 2012 World Series baseball Champion San Francisco Giants. From second from left are, Giants catcher Buster Posey, Senior Vice President and General Manager Brian Sabean, the president, and Giants President and CEO Laurence Baer.

Photo: Susan Walsh, Associated Press

President Barack Obama poses for a photo on the South Lawn of the...

President Barack Obama poses for a photo on the South Lawn of the... Photo-4976269.67223 - SFGate